49998550015 has 4 divisors (see below), whose sum is σ = 59998260024. Its totient is φ = 39998840008.

The previous prime is 49998550013. The next prime is 49998550033. The reversal of 49998550015 is 51005589994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49998550015 - 2¹ = 49998550013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998550013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999854997 + ... + 4999855006.

It is an arithmetic number, because the mean of its divisors is an integer number (14999565006).

Almost surely, 2^49998550015 is an apocalyptic number.

49998550015 is a deficient number, since it is larger than the sum of its proper divisors (9999710009).

49998550015 is an equidigital number, since it uses as much as digits as its factorization.

49998550015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999710008.

The product of its (nonzero) digits is 2916000, while the sum is 55.

The spelling of 49998550015 in words is "forty-nine billion, nine hundred ninety-eight million, five hundred fifty thousand, fifteen".